package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.dao.PermissionDao;
import com.itheima.dao.RoleDao;
import com.itheima.dao.UserDao;
import com.itheima.pojo.Permission;
import com.itheima.pojo.Role;
import com.itheima.pojo.User;
import com.itheima.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Set;

/**
 * @PackageName: com.itheima.service.impl
 * @ClassName: UserServiceImpl
 * @Author: XLB
 * @Date: 2020/3/12 17:44
 * @Description:
 */
@Service(interfaceClass = UserService.class)
@Transactional
public class UserServiceImpl implements UserService {

    @Autowired
    private UserDao userDao;
    @Autowired
    private RoleDao roleDao;
    @Autowired
    private PermissionDao permissionDao;

    public User findByUsername(String username) {
        User user=userDao.findByUsername(username);

        if (user==null){
            return null;
        }
        Integer userId = user.getId();
        //根据UserId查询对应的角色
        Set<Role> roles= roleDao.findById(userId);
        if (roles!=null&&roles.size()>0){
            for (Role role : roles) {
                Integer roleId = role.getId();
                Set<Permission> permissions= permissionDao.findById(roleId);
                role.setPermissions(permissions);
            }
        }
        user.setRoles(roles);
        return user;
    }
}
